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Message-ID: <20091203195925.8925.21416.stgit@paris.rdu.redhat.com>
Date: Thu, 03 Dec 2009 14:59:25 -0500
From: Eric Paris <eparis@...hat.com>
To: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-mm@...ck.org
Cc: viro@...iv.linux.org.uk, jmorris@...ei.org, npiggin@...e.de,
eparis@...hat.com, zohar@...ibm.com, jack@...e.cz,
jmalicki@...acarta.com, dsmith@...hat.com, serue@...ibm.com,
hch@....de, john@...nmccutchan.com, rlove@...ve.org,
ebiederm@...ssion.com, heiko.carstens@...ibm.com,
penguin-kernel@...ove.SAKURA.ne.jp, mszeredi@...e.cz,
jens.axboe@...cle.com, akpm@...ux-foundation.org, matthew@....cx,
hugh.dickins@...cali.co.uk, kamezawa.hiroyu@...fujitsu.com,
nishimura@....nes.nec.co.jp, davem@...emloft.net, arnd@...db.de,
eric.dumazet@...il.com
Subject: [RFC PATCH 5/6] vfs: make init-file static
init-file is no longer used by anything except alloc_file. Make it static and
remove from headers.
Signed-off-by: Eric Paris <eparis@...hat.com>
---
fs/file_table.c | 73 ++++++++++++++++++++++----------------------------
include/linux/file.h | 3 --
2 files changed, 32 insertions(+), 44 deletions(-)
diff --git a/fs/file_table.c b/fs/file_table.c
index 4bef4c0..0f9d2f2 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -150,53 +150,16 @@ fail:
EXPORT_SYMBOL(get_empty_filp);
/**
- * alloc_file - allocate and initialize a 'struct file'
- * @mnt: the vfsmount on which the file will reside
- * @dentry: the dentry representing the new file
- * @mode: the mode with which the new file will be opened
- * @fop: the 'struct file_operations' for the new file
- *
- * Use this instead of get_empty_filp() to get a new
- * 'struct file'. Do so because of the same initialization
- * pitfalls reasons listed for init_file(). This is a
- * preferred interface to using init_file().
- *
- * If all the callers of init_file() are eliminated, its
- * code should be moved into this function.
- */
-struct file *alloc_file(struct vfsmount *mnt, struct dentry *dentry,
- fmode_t mode, const struct file_operations *fop)
-{
- struct file *file;
-
- file = get_empty_filp();
- if (!file)
- return NULL;
-
- init_file(file, mnt, dentry, mode, fop);
- return file;
-}
-EXPORT_SYMBOL(alloc_file);
-
-/**
* init_file - initialize a 'struct file'
* @file: the already allocated 'struct file' to initialized
* @mnt: the vfsmount on which the file resides
* @dentry: the dentry representing this file
* @mode: the mode the file is opened with
* @fop: the 'struct file_operations' for this file
- *
- * Use this instead of setting the members directly. Doing so
- * avoids making mistakes like forgetting the mntget() or
- * forgetting to take a write on the mnt.
- *
- * Note: This is a crappy interface. It is here to make
- * merging with the existing users of get_empty_filp()
- * who have complex failure logic easier. All users
- * of this should be moving to alloc_file().
*/
-int init_file(struct file *file, struct vfsmount *mnt, struct dentry *dentry,
- fmode_t mode, const struct file_operations *fop)
+static int init_file(struct file *file, struct vfsmount *mnt,
+ struct dentry *dentry, fmode_t mode,
+ const struct file_operations *fop)
{
int error = 0;
file->f_path.dentry = dentry;
@@ -218,7 +181,35 @@ int init_file(struct file *file, struct vfsmount *mnt, struct dentry *dentry,
}
return error;
}
-EXPORT_SYMBOL(init_file);
+
+/**
+ * alloc_file - allocate and initialize a 'struct file'
+ * @mnt: the vfsmount on which the file will reside
+ * @dentry: the dentry representing the new file
+ * @mode: the mode with which the new file will be opened
+ * @fop: the 'struct file_operations' for the new file
+ *
+ * Use this instead of get_empty_filp() to get a new
+ * 'struct file'. Do so because of the same initialization
+ * pitfalls reasons listed for init_file(). This is a
+ * preferred interface to using init_file().
+ *
+ * If all the callers of init_file() are eliminated, its
+ * code should be moved into this function.
+ */
+struct file *alloc_file(struct vfsmount *mnt, struct dentry *dentry,
+ fmode_t mode, const struct file_operations *fop)
+{
+ struct file *file;
+
+ file = get_empty_filp();
+ if (!file)
+ return NULL;
+
+ init_file(file, mnt, dentry, mode, fop);
+ return file;
+}
+EXPORT_SYMBOL(alloc_file);
void fput(struct file *file)
{
diff --git a/include/linux/file.h b/include/linux/file.h
index 335a0a5..6a8d361 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -18,9 +18,6 @@ extern void drop_file_write_access(struct file *file);
struct file_operations;
struct vfsmount;
struct dentry;
-extern int init_file(struct file *, struct vfsmount *mnt,
- struct dentry *dentry, fmode_t mode,
- const struct file_operations *fop);
extern struct file *alloc_file(struct vfsmount *, struct dentry *dentry,
fmode_t mode, const struct file_operations *fop);
--
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